The air conditioner module can push the hot air when you turn on heat button or fresh air on cold button. I also have a propane furnace. In the excella 1979 manuel they say that the air conditioner can heat, maybe I dont understand something.
Bob, some air conditioner units have a small "heat strip' in them that electrically generates a little heat. Will take the chill off a cool morning. That's about it.
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Scott Air 16426
Fully retired now!
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Never start anything before noon and always plan on being finished by 5.
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